{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140838",
    "entityType": "User",
    "nonce": "0x0337b2a1470d808968ce02fe1e0577f68575f1733f56681d5571378e9996174d",
    "signature": "0x325e0845f3ebc22fcf1902dffe063f89077182d46ff8c8d93730013ff8016b6f76ac66f323aafe53400e5852bced8acb31375550823cf7b3a3185da0ed0212b81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}